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authorVikas Gorur <vikas@gluster.com>2009-12-28 06:07:48 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-12-28 04:39:24 -0800
commit3bcf8d4ce67654e2b5648ae11aaeb2e49dbcfa95 (patch)
tree3c2b0b8c706dd622ba50586da6446af71700be08 /xlators/cluster/afr/src/afr-self-heal-algorithm.h
parent9658e13bd91849f75d968376aae5b937aabec512 (diff)
cluster/afr: Allocate diff algorithm loop_state structures only once.
Instead of CALLOC'ing a loop_state structure at the beginning of every loop, keep a table of allocated structures and reuse them. Signed-off-by: Vikas Gorur <vikas@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 320 (Improve self-heal performance) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=320
Diffstat (limited to 'xlators/cluster/afr/src/afr-self-heal-algorithm.h')
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-algorithm.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-algorithm.h b/xlators/cluster/afr/src/afr-self-heal-algorithm.h
index b9c58b5cb..0bdae3aa7 100644
--- a/xlators/cluster/afr/src/afr-self-heal-algorithm.h
+++ b/xlators/cluster/afr/src/afr-self-heal-algorithm.h
@@ -37,10 +37,14 @@ typedef struct {
off_t offset;
} afr_sh_algo_full_private_t;
-typedef struct {
- uint8_t *checksum; /* array of MD5 checksums for each child
- Each checksum is MD5_DIGEST_LEN bytes long */
+struct sh_diff_loop_state {
+ off_t offset;
+ unsigned char *write_needed;
+ uint8_t *checksum;
+ gf_boolean_t active;
+};
+typedef struct {
size_t block_size;
gf_lock_t lock;
@@ -49,6 +53,8 @@ typedef struct {
int32_t total_blocks;
int32_t diff_blocks;
+
+ struct sh_diff_loop_state **loops;
} afr_sh_algo_diff_private_t;
#endif /* __AFR_SELF_HEAL_ALGORITHM_H__ */